$OpenBSD: patch-src_ptlib_unix_osutil_cxx,v 1.3 2017/05/07 20:48:29 espie Exp $

Remove prehistorical header which is not even used.

--- src/ptlib/unix/osutil.cxx.orig	Mon Feb 17 03:14:31 2014
+++ src/ptlib/unix/osutil.cxx	Fri Apr 28 01:44:28 2017
@@ -68,6 +68,7 @@
 #include <termios.h>
 #endif
 #include <ctype.h>
+#include <unistd.h>
 
 #if defined(P_LINUX) || defined(P_GNU_HURD)
 
@@ -85,7 +86,6 @@
 
 #include <sys/param.h>
 #include <sys/mount.h>
-#include <sys/timeb.h>
 
 #if defined(P_NETBSD)
 #include <sys/statvfs.h>
